fzus51 klwx 202358
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expires:202605210800;;372064

coastal waters forecast
national weather service baltimore md/washington dc
758 pm edt wed may 20 2026

tidal potomac river and maryland portion of chesapeake bay.

forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow.  waves flat where waters are iced over.


anz531-210800-
chesapeake bay from pooles island to sandy point-
758 pm edt wed may 20 2026

...small craft advisory in effect from 7 am edt thursday through
thursday afternoon...

.tonight...n winds 5 to 10 kt. waves 1 ft. showers with a chance of
tstms this evening, then showers likely with a slight chance of
tstms after midnight. 
.thu...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
showers.
.thu night...ne winds 10 kt. waves 1 ft. a chance of showers. 
.fri...e winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. showers
likely. 
.fri night...e winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
showers.
.sat...e winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. showers.
.sat night...ne winds 10 to 15 kt. gusts up to 20 kt in the evening.
waves 1 to 2 ft. showers.
.sun...ne winds 5 kt. waves less than 1 ft. showers in the morning.
a chance of showers. 
.mon...sw winds around 5 kt. waves flat. a chance of showers.  

winds and waves higher and visibilities lower in and near tstms.

$$

fzus51 klwx 202358
cwflwx
expires:202605210800;;372067

coastal waters forecast
national weather service baltimore md/washington dc
758 pm edt wed may 20 2026

tidal potomac river and maryland portion of chesapeake bay.

forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow.  waves flat where waters are iced over.


anz532-210800-
chesapeake bay from sandy point to north beach-
758 pm edt wed may 20 2026

...small craft advisory in effect from 7 am edt thursday through
thursday afternoon...

.tonight...ne winds 5 to 10 kt. waves 1 ft. showers likely with a
chance of tstms this evening, then showers with a slight chance of
tstms after midnight. 
.thu...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
showers.
.thu night...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. a
chance of showers. 
.fri...e winds 15 kt with gusts to 20 kt. waves 2 ft. showers
likely. 
.fri night...e winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
showers.
.sat...e winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. showers.
.sat night...e winds 5 to 10 kt. waves 1 to 2 ft. showers.
.sun...ne winds 5 to 10 kt. waves 1 ft. showers in the morning. a
chance of showers. 
.mon...s winds around 5 kt. waves 1 ft or less. a chance of showers.
 

winds and waves higher and visibilities lower in and near tstms.

$$

fzus51 klwx 202358
cwflwx
expires:202605210800;;372069

coastal waters forecast
national weather service baltimore md/washington dc
758 pm edt wed may 20 2026

tidal potomac river and maryland portion of chesapeake bay.

forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow.  waves flat where waters are iced over.


anz533-210800-
chesapeake bay from north beach to drum point-
758 pm edt wed may 20 2026

...small craft advisory in effect until 11 pm edt this evening...
...small craft advisory in effect from 7 am edt thursday through
thursday afternoon...

.tonight...e winds 10 kt...becoming ne after midnight. waves 1 to
2 ft. a chance of showers and tstms this evening, then showers
likely with a slight chance of tstms after midnight. 
.thu...ne winds 10 to 15 kt with gusts to 20 kt. waves 3 ft. showers
likely. 
.thu night...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
showers likely. 
.fri...e winds 15 kt with gusts to 20 kt. waves 2 ft. showers.
.fri night...e winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
showers.
.sat...e winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. showers
likely. 
.sat night...e winds 5 to 10 kt. waves 1 to 2 ft. showers.
.sun...ne winds 5 kt. waves less than 1 ft. showers likely, mainly
in the morning. 
.mon...s winds around 5 kt. waves 1 ft or less. a chance of showers.
 

winds and waves higher and visibilities lower in and near tstms.

$$

fzus51 klwx 202358
cwflwx
expires:202605210800;;372072

coastal waters forecast
national weather service baltimore md/washington dc
758 pm edt wed may 20 2026

tidal potomac river and maryland portion of chesapeake bay.

forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow.  waves flat where waters are iced over.


anz534-210800-
chesapeake bay from drum point to smith point-
758 pm edt wed may 20 2026

...small craft advisory in effect until 11 pm edt this evening...
...small craft advisory in effect from 7 am edt thursday through
late thursday night...

.tonight...se winds 15 kt with gusts to 20 kt... becoming ne 5 to
10 kt after midnight. waves 2 to 3 ft... subsiding to 1 ft late. a
chance of showers with a slight chance of tstms this evening, then a
slight chance of showers after midnight. 
.thu...ne winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft. a
chance of showers. 
.thu night...ne winds 15 kt with gusts to 20 kt. waves 2 ft. showers
likely. 
.fri...ne winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
showers.
.fri night...e winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
showers.
.sat...e winds 10 to 15 kt with gusts to 20 kt. waves 2 to 3 ft.
showers likely. 
.sat night...e winds 5 to 10 kt. waves 1 ft. showers with a chance
of tstms. 
.sun...ne winds 5 to 10 kt. waves 1 ft. showers likely, mainly in
the morning. 
.mon...s winds 5 to 10 kt. waves 1 ft. a chance of showers through
the night. showers likely after midnight.  

winds and waves higher and visibilities lower in and near tstms.

$$

fzus51 klwx 202358
cwflwx
expires:202605210800;;372060

coastal waters forecast
national weather service baltimore md/washington dc
758 pm edt wed may 20 2026

tidal potomac river and maryland portion of chesapeake bay.

forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow.  waves flat where waters are iced over.


anz535-210800-
tidal potomac from key bridge to indian head-
758 pm edt wed may 20 2026

.tonight...n winds 5 to 10 kt. waves 1 ft. showers. a chance of
tstms. 
.thu...ne winds 5 to 10 kt with gusts to 20 kt. waves 1 ft. showers.
.thu night...ne winds 5 to 10 kt. waves 1 ft. showers likely. 
.fri...e winds 5 to 10 kt. waves 1 ft. showers.
.fri night...e winds 5 to 10 kt. waves 1 ft. showers.
.sat...e winds 5 to 10 kt. waves 1 ft. showers.
.sat night...ne winds 5 to 10 kt. waves 1 ft. showers.
.sun...e winds around 5 kt. waves 1 ft. showers likely, mainly in
the morning. 
.mon...s winds around 5 kt. waves 1 ft or less. a chance of showers.
 

winds and waves higher and visibilities lower in and near tstms.

$$

fzus51 klwx 202358
cwflwx
expires:202605210800;;372061

coastal waters forecast
national weather service baltimore md/washington dc
758 pm edt wed may 20 2026

tidal potomac river and maryland portion of chesapeake bay.

forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow.  waves flat where waters are iced over.


anz536-210800-
tidal potomac from indian head to cobb island-
758 pm edt wed may 20 2026

.tonight...n winds 5 to 10 kt. waves 1 ft. showers likely. a chance
of tstms, mainly this evening. 
.thu...ne winds 5 to 10 kt. waves 1 ft. showers.
.thu night...ne winds 5 to 10 kt. waves 1 ft. showers likely. 
.fri...ne winds 10 kt. waves 1 ft. showers.
.fri night...ne winds 5 to 10 kt. waves 1 ft. showers.
.sat...e winds 5 to 10 kt. waves 1 ft. showers.
.sat night...ne winds 5 to 10 kt. waves 1 ft. showers.
.sun...ne winds around 5 kt. waves 1 ft. a chance of showers. 
.mon...s winds around 5 kt. waves 1 ft or less. a chance of tstms
through the night. a chance of showers.  

winds and waves higher and visibilities lower in and near tstms.

$$

fzus51 klwx 202358
cwflwx
expires:202605210800;;372062

coastal waters forecast
national weather service baltimore md/washington dc
758 pm edt wed may 20 2026

tidal potomac river and maryland portion of chesapeake bay.

forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow.  waves flat where waters are iced over.


anz537-210800-
tidal potomac from cobb island to smith point-
758 pm edt wed may 20 2026

...small craft advisory in effect until 11 pm edt this evening...
...small craft advisory in effect from 7 am edt thursday through
late thursday night...

.tonight...s winds 10 kt with gusts to 20 kt...becoming e late this
evening and early morning, then becoming n late. waves 1 to 2 ft. a
chance of showers with a slight chance of tstms this evening, then a
slight chance of showers and tstms after midnight. 
.thu...ne winds 10 to 15 kt. gusts up to 20 kt in the late morning
and afternoon. waves 1 to 2 ft. a chance of showers. 
.thu night...ne winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
showers.
.fri...ne winds 10 to 15 kt with gusts to 25 kt. waves 3 ft.
showers.
.fri night...ne winds 10 to 15 kt with gusts to 25 kt. waves 3 ft.
showers.
.sat...e winds 10 to 15 kt with gusts to 20 kt. waves 3 ft...
subsiding to 1 ft in the afternoon. showers likely. 
.sat night...e winds 5 to 10 kt. waves 1 ft. showers with a chance
of tstms. 
.sun...ne winds 5 kt. waves less than 1 ft. a chance of showers. 
.mon...s winds around 5 kt. waves 1 ft or less. showers likely
through the night. a chance of showers after midnight.  

winds and waves higher and visibilities lower in and near tstms.

$$